Island Sarnia
Ideal air quality for outdoor Canadian activities and sports.
Island Sarnia Live Precipitation Radar
Full Screen ViewIsland Sarnia Live Doppler RadarMSC Dual-Pol
Island Sarnia, ON • Lat: 44.39° N, Lon: 91.35° W • Sweep 10m
Island Sarnia 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Island Sarnia Air Quality & Wildfire Smoke Report
Detailed Canadian AQHI breakdown, fine particulate matter (PM2.5), ground-level ozone, and health guidance.
Frequently Asked Questions About Weather in Island Sarnia, ON
What is the current temperature and conditions in Island Sarnia?
As of today, the temperature in Island Sarnia is 16.8°C with overcast. The apparent temperature (feels like) is 17.1°C with relative humidity at 91%.
How does Wind Chill and Humidex affect Island Sarnia?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 17 (Comfortable).
What is the Air Quality Health Index (AQHI) for Island Sarnia?
The current AQHI for Island Sarnia is 3 (Low Risk). It is calculated based on ground-level ozone, fine particulate matter (PM2.5), and nitrogen dioxide levels according to Health Canada standards.
Where does the meteorological data for Island Sarnia come from?
Forecasts are generated using high-resolution Canadian Deterministic Prediction System (HRDPS 2.5km) and Global Environmental Multiscale (GEM) models alongside official Environment and Climate Change Canada Doppler radar feeds.